78214266765430 has 8 divisors (see below), whose sum is σ = 140785680177792. Its totient is φ = 31285706706168.

The previous prime is 78214266765421. The next prime is 78214266765533. The reversal of 78214266765430 is 3456766241287.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×78214266765430² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3910713338262 + ... + 3910713338281.

It is an arithmetic number, because the mean of its divisors is an integer number (17598210022224).

Almost surely, 2^{78214266765430} is an apocalyptic number.

78214266765430 is a deficient number, since it is larger than the sum of its proper divisors (62571413412362).

78214266765430 is a wasteful number, since it uses less digits than its factorization.

78214266765430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7821426676550.

The product of its (nonzero) digits is 81285120, while the sum is 61.

The spelling of 78214266765430 in words is "seventy-eight trillion, two hundred fourteen billion, two hundred sixty-six million, seven hundred sixty-five thousand, four hundred thirty".